need answers to the attached sheet. the recovery i got was 60% for 3-nitroanaline and 20% for benzoic acid1
CHY 142 / CHY 224 / CKCH 143 REPORT FORM
Be sure to show
calculations for full marks.
1. Percent recovery:
What was your actual percent recovery for 3-nitroaniline and benzoic acid?
Briefly explain why these values differ from 100 %.
Discuss the purity of the recovered compounds (are they pure? How do you know?). (4 marks)
Using information available in the Merck Index to answer the following questions. (4 marks)
a. What is the partition coefficient for 3-nitroaniline between diethyl ether and water (at 20°C and pH > 8)
b. What is the partition coefficient for benzoic acid between diethyl ether and water (at 20°C and pH